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Finding the Third Proportional to 16,125 and 34,680

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Solution

The third proportional to 16,125 and 34,680 is: 74,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,125 : 34,680 = 34,680 : x
  2. Step 2: Convert to fraction form
    16,125/34,680 = 34,680/x
  3. Step 3: Cross multiply
    16,125x = 34,680 × 34,680
  4. Step 4: Simplify right side
    16,125x = 1,202,702,400
  5. Step 5: Solve for x
    x = 1,202,702,400/16,125
  6. Step 6: Final answer
    x = 74,586.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.